Does the baby's head size seem to be increasing faster in proportion to the growth of the body?

Location

Does the head seem larger all over?

Is the head growing more in a front-to-back pattern or in a side-to-side pattern?

Other

What other symptoms are present (especially changes in brain or nervous system functions)?

Physical examination may include repeated measurements of the head circumference over a period of time to confirm that the head circumference is significantly increased. In some cases a single measurement is enough to confirm a significant increase.

Diagnostic tests may vary depending on the suspected cause, but often include:

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics and subscribes to the principles of the Health on the Net Foundation (www.hon.ch).